Taykeya
Taykeya
09-10-2016
Mathematics
contestada
Sin205Cos85-Cos205Sin85
Respuesta :
Jimmy1999
Jimmy1999
09-10-2016
Remember that :
sin a . cos b - cos a. sin b = sin (a-b)
so :
sin 205. cos 85 - cos 205 . sin 85
= sin (205 - 85)
= sin 120
= sin ( 180-60)
= sin 60
= ½ √3
Hopefully helpfull... :)
Answer Link
VER TODAS LAS RESPUESTAS ( 97+ )
Otras preguntas
Solve equation for y. 2/5x+y=7
If a group is sovereign they are said to be________.
The flat portion of a valley floor adjacent to a stream channel is called a _____.
The city of New Orleans was an important factor in Thomas Jefferson's desire to purchase the Louisiana Territory from France. T/F?
What three subatomic particles make up atoms
Find the reciprocal of each fraction 2/5
what is the LCM of 1/6 and 3/10
What is the significance of Christ's presence during the crowning of emperors in byzantine art?
Sarosh receives 8% commission on the final price of the clothing he sells. A customer bought a $45.00 coat that was marked 20% off and a $95.00 suit that was ma
y=3x-1 is is it a linear function
